Impact of Herbicides on Heterodera glycines Susceptible and Resistant Soybean Cultivars

Several abiotic and biotic stresses can affect soybean in a growing season. Heterodera glycines, soybean cyst nematode, reduces yield of soybean more than any other pathogen in the United States. Field and greenhouse studies were conducted to determine whether preemergence and postemergence herbicid...

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Veröffentlicht in:Journal of nematology. - 1969. - 35(2003), 1 vom: 24. März, Seite 88-97
1. Verfasser: Bradley, C A (VerfasserIn)
Weitere Verfasser: Noel, G R, Grau, C R, Gaska, J M, Kurtzweil, N C, Macguidwin, A E, Wax, L M, Hartman, G L, Pedersen, W L
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Glycine max Heterodera glycines SCN herbicide interaction nematode reproduction soybean soybean cyst nematode
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520 |a Several abiotic and biotic stresses can affect soybean in a growing season. Heterodera glycines, soybean cyst nematode, reduces yield of soybean more than any other pathogen in the United States. Field and greenhouse studies were conducted to determine whether preemergence and postemergence herbicides modified the reproduction of H. glycines, and to determine the effects of possible interactive stresses caused by herbicides and H. glycines on soybean growth and yield. Heterodera glycines reproduction factor (Rf) generally was less on resistant than susceptible cultivars, resulting in a yield advantage for resistant cultivars. The yield advantage of resistant cultivars was due to more pods per plant on resistant than susceptible cultivars. Pendimethalin reduced H. glycines Rf on the susceptible cultivars in 1998 at Champaign, Illinois, and in greenhouse studies reduced dry root weight of H. glycines-resistant and susceptible cultivars, therefore reducing Rf on the susceptible cultivars. The interactive stresses from acifluorfen or imazethapyr and H. glycines reduced the dry shoot weight of the resistant cultivar Jack in a greenhouse study. Herbicides did not affect resistant cultivars' ability to suppress H. glycines Rf; therefore, growers planting resistant cultivars should make herbicide decisions based on weeds present and cultivar tolerance to the herbicide 
650 4 |a Journal Article 
650 4 |a Glycine max 
650 4 |a Heterodera glycines 
650 4 |a SCN 
650 4 |a herbicide 
650 4 |a interaction 
650 4 |a nematode 
650 4 |a reproduction 
650 4 |a soybean 
650 4 |a soybean cyst nematode 
700 1 |a Noel, G R  |e verfasserin  |4 aut 
700 1 |a Grau, C R  |e verfasserin  |4 aut 
700 1 |a Gaska, J M  |e verfasserin  |4 aut 
700 1 |a Kurtzweil, N C  |e verfasserin  |4 aut 
700 1 |a Macguidwin, A E  |e verfasserin  |4 aut 
700 1 |a Wax, L M  |e verfasserin  |4 aut 
700 1 |a Hartman, G L  |e verfasserin  |4 aut 
700 1 |a Pedersen, W L  |e verfasserin  |4 aut 
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